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dc.contributor.authorYuan, Mingrui
dc.contributor.authorLu, Yongchang
dc.contributor.authorZhang, Ying
dc.contributor.authorZhang, Ziying
dc.contributor.authorLi, Yanfeng
dc.contributor.authorLiu, Hongchao
dc.contributor.authorZhang, Xixiang
dc.contributor.authorHan, Jiaguang
dc.contributor.authorZhang, Weili
dc.date.accessioned2020-02-06T11:05:53Z
dc.date.available2020-02-06T11:05:53Z
dc.date.issued2020-01-14
dc.date.submitted2019-12-12
dc.identifier.citationYuan, M., Lu, Y., Zhang, Y., Zhang, Z., Li, Y., Liu, H., … Zhang, W. (2020). Curved terahertz surface plasmonic waveguide devices. Optics Express, 28(2), 1987. doi:10.1364/oe.385676
dc.identifier.doi10.1364/OE.385676
dc.identifier.urihttp://hdl.handle.net/10754/661413
dc.description.abstractStrongly confined surface waves can be achieved on periodically structured metal surfaces and are known as spoof surface plasmon polaritons (SPPs). In this work, several terahertz SPP devices based on curved waveguides are demonstrated. The transmittance and bending loss of 90-degree curved spoof SPP waveguides with a radius of curvature ranging from 200 to 2300 µm are investigated to identify the regime for high transmission. A commutator is designed and experimentally demonstrated. Furthermore, coupling equations are derived and verified for efficient coupling between bend-straight waveguides and between bend-bend waveguides. The results will be of great value for future integrated terahertz plasmonic systems.
dc.description.sponsorshipNational Key Research and Development Program of China (2017YFA0701004); National Natural Science Foundation of China (61605143, 61722509, 61735012, 61871212, 61875150, 61935015); Tianjin Municipal Fund for Distinguished Young Scholars (18JCJQJC45600); King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) (OSR-2016-CRG5-2950).
dc.publisherThe Optical Society
dc.relation.urlhttps://www.osapublishing.org/abstract.cfm?URI=oe-28-2-1987
dc.rights© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
dc.rights.urihttps://doi.org/10.1364/OA_License_v1
dc.titleCurved terahertz surface plasmonic waveguide devices
dc.typeArticle
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalOptics Express
dc.eprint.versionPublisher's Version/PDF
dc.contributor.institutionCenter for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Key Laboratory of Optoelectronic Information Technology (Ministry of Education of China), Tianjin University, Tianjin 300072, China
dc.contributor.institutionJoint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR 999078, China
dc.contributor.institutionSchool of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA
kaust.personLu, Yongchang
kaust.personZhang, Xixiang
kaust.grant.numberOSR-2016-CRG5-2950
dc.date.accepted2020-01-04
refterms.dateFOA2020-02-06T11:07:16Z
kaust.acknowledged.supportUnitOffice of Sponsored Research (OSR)
dc.date.published-online2020-01-14
dc.date.published-print2020-01-20


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